:root {
  --bg: #07060f;
  --card: rgba(18, 14, 36, 0.78);
  --line: rgba(255, 90, 200, 0.35);
  --pink: #ff3cac;
  --cyan: #2de2e6;
  --gold: #ffd36e;
  --text: #f6f1ff;
  --muted: #b8a8d6;
  --danger: #ff5d7a;
  --ok: #4dffb8;
  --shadow: 0 20px 60px rgba(255, 60, 172, 0.18);
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", "Segoe UI", sans-serif;
  font-weight: 700;
  color: var(--text);
  background: var(--bg);
  letter-spacing: .02em;
}
b, strong, h1, h2, h3, label, .brand b { font-weight: 900; }
.bg {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(255, 60, 172, .35), transparent 55%),
    radial-gradient(800px 500px at 110% 10%, rgba(45, 226, 230, .25), transparent 50%),
    radial-gradient(600px 400px at 50% 120%, rgba(120, 70, 255, .3), transparent 50%),
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="80" height="80"><path d="M0 80L80 0" stroke="%23ff3cac11" stroke-width="2"/></svg>');
  animation: hue 18s linear infinite;
}
@keyframes hue { 50% { filter: hue-rotate(35deg); } }
.wrap, .shell, .login-screen { min-height: 100vh; }
.login-screen { display: grid; place-items: center; padding: 24px; }
.login-card, .modal-card, .card, aside, .stat, table {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.login-card { width: min(420px, 100%); padding: 36px 32px; border-radius: 28px; text-align: center; }
.logo, .brand span {
  width: 64px; height: 64px; margin: 0 auto 12px; display: grid; place-items: center;
  border-radius: 20px; font-size: 22px; font-weight: 900;
  background: linear-gradient(135deg, var(--pink), var(--cyan));
  box-shadow: 0 0 30px rgba(255,60,172,.6);
}
h1 { font-size: 28px; margin: 8px 0; text-shadow: 0 0 18px rgba(255,60,172,.5); }
.sub { color: var(--cyan); margin-top: 0; }
label { display: block; text-align: left; margin: 14px 0 6px; color: var(--gold); }
input, textarea, select {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: rgba(0,0,0,.35); color: #fff; font-weight: 700; font-size: 15px; outline: none;
}
textarea { min-height: 90px; font-family: inherit; }
input:focus, textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(45,226,230,.2); }
.btn {
  border: 0; cursor: pointer; font-weight: 900; color: #140014;
  background: linear-gradient(90deg, var(--gold), #fff1b8);
  padding: 11px 18px; border-radius: 999px; text-decoration: none; display: inline-block;
}
.btn.glow { background: linear-gradient(90deg, var(--pink), var(--cyan)); color: #fff; box-shadow: 0 0 24px rgba(255,60,172,.45); }
.btn.full { width: 100%; margin-top: 18px; }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.btn.danger { background: var(--danger); color: #fff; }
.hint { color: var(--muted); font-size: 13px; }
.hint a { color: var(--cyan); }
.shell { display: grid; grid-template-columns: 240px 1fr; }
aside { padding: 22px 16px; border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 100vh; }
.brand { display: flex; gap: 10px; align-items: center; margin-bottom: 24px; }
.brand span { width: 42px; height: 42px; margin: 0; font-size: 14px; border-radius: 14px; }
nav { display: flex; flex-direction: column; gap: 6px; flex: 1; }
nav a { padding: 12px 14px; border-radius: 12px; color: var(--muted); text-decoration: none; cursor: pointer; }
nav a.on, nav a:hover { background: linear-gradient(90deg, rgba(255,60,172,.25), rgba(45,226,230,.12)); color: #fff; }
main { padding: 22px 26px 40px; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin: 18px 0; }
.stat { padding: 18px; border-radius: 18px; }
.stat em { color: var(--muted); font-style: normal; display: block; }
.stat b { font-size: 28px; color: var(--cyan); text-shadow: 0 0 12px rgba(45,226,230,.5); }
table { width: 100%; border-collapse: collapse; border-radius: 16px; overflow: hidden; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid rgba(255,255,255,.06); font-size: 13px; }
th { color: var(--gold); }
.tag { padding: 3px 8px; border-radius: 999px; font-size: 12px; }
.tag.on { background: rgba(77,255,184,.15); color: var(--ok); }
.tag.off { background: rgba(255,211,110,.15); color: var(--gold); }
.tag.err { background: rgba(255,93,122,.15); color: var(--danger); }
.modal {
  position: fixed; inset: 0; background: rgba(4,0,16,.72); display: grid; place-items: center; z-index: 50; padding: 16px;
}
.hidden { display: none !important; }
.modal.hidden { display: none !important; }
.modal-card { width: min(560px, 100%); padding: 26px; border-radius: 24px; animation: pop .25s ease; }
@keyframes pop { from { transform: scale(.9); opacity: 0; } }
.modal-card h3 { margin-top: 0; }
.row { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; flex-wrap: wrap; }
#toast {
  position: fixed; top: 18px; right: 18px; z-index: 80; display: flex; flex-direction: column; gap: 8px;
}
.toast {
  background: linear-gradient(90deg, var(--pink), #7a3cff); color: #fff; padding: 12px 16px; border-radius: 12px;
  font-weight: 900; animation: slide .25s ease; box-shadow: var(--shadow);
}
@keyframes slide { from { transform: translateX(40px); opacity: 0; } }
.install { padding: 40px 20px; max-width: 900px; margin: 0 auto; }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.card { padding: 18px; border-radius: 18px; }
.card.ok { border-color: var(--ok); }
.card.bad { border-color: var(--danger); }
.steps { color: var(--muted); }
.btns { display: flex; gap: 12px; margin: 20px 0; flex-wrap: wrap; }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  aside { min-height: auto; }
  .cards { grid-template-columns: 1fr; }
}
.mini { max-width: 480px; margin: 0 auto; padding: 18px; }
.mini .login-card { width: 100%; text-align: left; }